- // MIR for `main` before GVN
+ // MIR for `main` after GVN
  
  fn main() -> () {
      let mut _0: ();
      let _1: *const [i32];
      let mut _2: *const [i32; 3];
      let _3: &[i32; 3];
      let _4: [i32; 3];
      let _6: usize;
      let mut _7: usize;
      let mut _8: bool;
      let mut _9: &[i32; 3];
      scope 1 {
          debug a => _1;
          scope 2 {
              let _5: i32;
              scope 3 {
                  debug _b => _5;
              }
          }
      }
  
      bb0: {
          StorageLive(_1);
          StorageLive(_2);
          StorageLive(_3);
          _9 = const _;
          _3 = &(*_9);
          _2 = &raw const (*_3);
          _1 = move _2 as *const [i32] (PointerCoercion(Unsize));
          StorageDead(_2);
          StorageDead(_3);
          StorageLive(_5);
          StorageLive(_6);
          _6 = const 3_usize;
          _7 = Len((*_1));
-         _8 = Lt(_6, _7);
-         assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> [success: bb1, unwind unreachable];
+         _8 = Lt(const 3_usize, _7);
+         assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, const 3_usize) -> [success: bb1, unwind unreachable];
      }
  
      bb1: {
-         _5 = (*_1)[_6];
+         _5 = (*_1)[3 of 4];
          StorageDead(_6);
          _0 = const ();
          StorageDead(_5);
          StorageDead(_1);
          return;
      }
  }
  
